/** 
*清空編輯框按鈕 
* @param editText 需要清空的EditText控件 
* @param delImageView 清空數(shù)據(jù)的圖片 
*/ 
protected void clearEditText(final EditText editText, final ImageView delImageView) { 
/文本框編輯的監(jiān)聽/ 
editText.addTextChangedListener(new TextWatcher() {

    @Override
    public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
      // TODO Auto-generated method stub

    }

    @Override
    public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
                   int arg3) {
      // TODO Auto-generated method stub

    }

    @Override
    public void afterTextChanged(Editable arg0) {
      // TODO Auto-generated method stub
      if(editText.getText().length()!=0){
        delImageView.setVisibility(View.VISIBLE);
      } else {
        delImageView.setVisibility(View.INVISIBLE);
      }
    }
  });
  /**焦點變化監(jiān)聽**/
  editText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
    @Override
    public void onFocusChange(View arg0, boolean arg1) {
      // TODO Auto-generated method stub
      if(editText.getText().length()!=0){
      //刪除圖標(biāo)顯示
        delImageView.setVisibility(View.VISIBLE);
      } else {
      //刪除圖標(biāo)隱藏
        delImageView.setVisibility(View.INVISIBLE);
      }
      if(arg1){
        //得到焦點
      } else {
        //失去焦點，刪除圖標(biāo)隱藏
        delImageView.setVisibility(View.INVISIBLE);
      }
    }
  });
  //刪除圖標(biāo)的點擊監(jiān)聽事件
  delImageView.setOnClickListener(new View.OnClickListener() {

    @Override
    public void onClick(View arg0) {
      // 執(zhí)行清空EditText數(shù)據(jù)
      editText.setText("");
    }
  });
}